Base | Representation |
---|---|
bin | 10110100110000100… |
… | …10011100010111010 |
3 | 1011022101201211220222 |
4 | 23103002103202322 |
5 | 144320404002024 |
6 | 5323411220042 |
7 | 606414550043 |
oct | 132302234272 |
9 | 34271654828 |
10 | 12130531514 |
11 | 5165406962 |
12 | 24265a7622 |
13 | 11b42081ca |
14 | 8310b98ca |
15 | 4aee5685e |
hex | 2d30938ba |
12130531514 has 4 divisors (see below), whose sum is σ = 18195797274. Its totient is φ = 6065265756.
The previous prime is 12130531507. The next prime is 12130531519. The reversal of 12130531514 is 41513503121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12057138025 + 73393489 = 109805^2 + 8567^2 .
It is not an unprimeable number, because it can be changed into a prime (12130531519) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3032632877 + ... + 3032632880.
Almost surely, 212130531514 is an apocalyptic number.
12130531514 is a deficient number, since it is larger than the sum of its proper divisors (6065265760).
12130531514 is an equidigital number, since it uses as much as digits as its factorization.
12130531514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6065265759.
The product of its (nonzero) digits is 1800, while the sum is 26.
The spelling of 12130531514 in words is "twelve billion, one hundred thirty million, five hundred thirty-one thousand, five hundred fourteen".
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